
New Template 173
Glossary
A access Read, write, or update information on a storage medium, such
as tape.
access time The interval between the time a request for data is made
by the system and the time the data is available from the drive.
allocation The process of assigning particular areas of the media to
particular data or instructions.
archiving The removal of data from the computer system on to
secondary storage media that is safely stored away.
autoloader A robot that includes one tape drive and one or more
magazines of tape cartridges. Autoloaders are used for
unattended data backup.
B backup A copy of a file, directory, or volume on a separate storage
device from the original, for the purpose of retrieval in case the
original is accidentally erased, damaged, or destroyed.
backward compatibility The ability of a current drive product to read
tapes written on earlier model drives.
base plate An aluminum die casting that acts as the support platform
for the other modules and for the drive enclosure. The base
plate is standard 5.25 inch (133.35 mm) full-high form factor
and includes the precision mounting holds used to install
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